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Multi-word Results
| air bladder |
an air-filled sac in various animals and plants, esp. such a structure located near the spine of certain fish that functions to maintain buoyancy by regulating hydrostatic pressure. (See swim bladder.) |
| gallbladder |
a small muscular sac that is attached to the liver and that stores bile. |
| swim bladder |
an inflated sac that extends lengthwise against the upper side of the body cavity of most bony fishes, its purpose being to regulate hydrostatic pressure. |
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